CVE-2021-29621

CVSS V2 Medium 5 CVSS V3 Medium 5.3
Description
Flask-AppBuilder is a development framework, built on top of Flask. User enumeration in database authentication in Flask-AppBuilder <= 3.2.3. Allows for a non authenticated user to enumerate existing accounts by timing the response time from the server when you are logging in. Upgrade to version 3.3.0 or higher to resolve.
Overview
  • CVE ID
  • CVE-2021-29621
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-06-07T19:15:07
  • Last Modified Date
  • 2021-08-06T18:16:00
Weakness Enumerations
CWE URL
CWE-203 http://cwe.mitre.org/data/definitions/203.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:flask-appbuilder_project:flask-appbuilder:*:*:*:*:*:*:*:* 1 OR 3.2.3
cpe:2.3:a:apache:airflow:1.10.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://github.com/dpgaspar/Flask-AppBuilder/commit/780bd0e8fbf2d36ada52edb769477e0a4edae580 Patch Third Party Advisory
https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-434h-p4gx-jm89 Third Party Advisory
https://pypi.org/project/Flask-AppBuilder/ Product Third Party Advisory
https://lists.apache.org/thread.html/r5b754118ba4e996adf03863705d34168bffec202da5c6bdc9bf3add5@%3Cannounce.apache.org%3E Mailing List Third Party Advisory
https://lists.apache.org/thread.html/r466759f377651f0a690475d5a52564d0e786e82c08d5a5730a4f8352@%3Cannounce.apache.org%3E Mailing List Third Party Advisory
https://lists.apache.org/thread.html/r91067f953906d93aaa1c69fe2b5472754019cc6bd4f1ba81349d62a0@%3Ccommits.airflow.apache.org%3E Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-29621
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29621
History
Created Old Value New Value Data Type Notes
2022-05-10 06:58:07 Added to TrackCVE
2022-12-05 03:39:03 2021-06-07T19:15Z 2021-06-07T19:15:07 CVE Published Date updated
2022-12-05 03:39:03 2021-08-06T18:16:00 CVE Modified Date updated
2022-12-05 03:39:03 Analyzed Vulnerability Status updated